Show All
AVEDEV
See Also
Returns the average of the absolute deviations of data points from their mean. AVEDEV is a measure of the variability in a data set.
Syntax
AVEDEV(number1,number2,...)
Number1, number2, ... are 1 to 30 arguments for which you want the average of the absolute deviations. You can also use a single array or a reference to an array instead of arguments separated by commas.
Remarks
- The arguments must either be numbers or be names, arrays, or references that contain numbers.
- If an array or reference argument contains text, logical values, or empty cells, those values are ignored; however, cells with the value zero are included.
- The equation for average deviation is:
AVEDEV is influenced by the unit of measurement in the input data.
Example
The example may be easier to understand if you copy it to a blank worksheet.
How?
- Create a blank workbook or worksheet.
- Select the example in the Help topic. Do not select the row or column headers.
Selecting an example from Help
- Press CTRL+C.
- In the worksheet, select cell A1, and press CTRL+V.
- To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Tools menu, point to Formula Auditing, and then click Formula Auditing Mode.
|
A |
Data |
4 |
5 |
6 |
7 |
5 |
4 |
3 |
Formula |
Description (Result) |
=AVEDEV(A2:A8) |
Average of the absolute deviations of the numbers above from their mean (1.020408) |
|